139928320

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:155

約数の個数: 216

約数和(自身を含む): 411040224

約数和(自身を除く): 271111904

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 64, 70, 80, 92, 97, 98, 112, 115, 128, 140, 160, 161, 184, 194, 196, 224, 230, 245, 256, 280, 320, 322, 368, 388, 392, 448, 460, 485, 490, 560, 640, 644, 679, 736, 776, 784, 805, 896, 920, 970, 980, 1120, 1127, 1280, 1288, 1358, 1472, 1552, 1568, 1610, 1792, 1840, 1940, 1960, 2231, 2240, 2254, 2576, 2716, 2944, 3104, 3136, 3220, 3395, 3680, 3880, 3920, 4462, 4480, 4508, 4753, 5152, 5432, 5635, 5888, 6208, 6272, 6440, 6790, 7360, 7760, 7840, 8924, 8960, 9016, 9506, 10304, 10864, 11155, 11270, 12416, 12544, 12880, 13580, 14720, 15520, 15617, 15680, 17848, 18032, 19012, 20608, 21728, 22310, 22540, 23765, 24832, 25760, 27160, 29440, 31040, 31234, 31360, 35696, 36064, 38024, 41216, 43456, 44620, 45080, 47530, 51520, 54320, 62080, 62468, 62720, 71392, 72128, 76048, 78085, 86912, 89240, 90160, 95060, 103040, 108640, 109319, 124160, 124936, 142784, 144256, 152096, 156170, 173824, 178480, 180320, 190120, 206080, 217280, 218638, 249872, 285568, 288512, 304192, 312340, 356960, 360640, 380240, 434560, 437276, 499744, 546595, 571136, 608384, 624680, 713920, 721280, 760480, 869120, 874552, 999488, 1093190, 1216768, 1249360, 1427840, 1442560, 1520960, 1749104, 1998976, 2186380, 2498720, 2855680, 3041920, 3498208, 3997952, 4372760, 4997440, 6083840, 6996416, 8745520, 9994880, 13992832, 17491040, 19989760, 27985664, 34982080, 69964160, 139928320]

約数ペア:

[(1, 139928320), (2, 69964160), (4, 34982080), (5, 27985664), (7, 19989760), (8, 17491040), (10, 13992832), (14, 9994880), (16, 8745520), (20, 6996416), (23, 6083840), (28, 4997440), (32, 4372760), (35, 3997952), (40, 3498208), (46, 3041920), (49, 2855680), (56, 2498720), (64, 2186380), (70, 1998976), (80, 1749104), (92, 1520960), (97, 1442560), (98, 1427840), (112, 1249360), (115, 1216768), (128, 1093190), (140, 999488), (160, 874552), (161, 869120), (184, 760480), (194, 721280), (196, 713920), (224, 624680), (230, 608384), (245, 571136), (256, 546595), (280, 499744), (320, 437276), (322, 434560), (368, 380240), (388, 360640), (392, 356960), (448, 312340), (460, 304192), (485, 288512), (490, 285568), (560, 249872), (640, 218638), (644, 217280), (679, 206080), (736, 190120), (776, 180320), (784, 178480), (805, 173824), (896, 156170), (920, 152096), (970, 144256), (980, 142784), (1120, 124936), (1127, 124160), (1280, 109319), (1288, 108640), (1358, 103040), (1472, 95060), (1552, 90160), (1568, 89240), (1610, 86912), (1792, 78085), (1840, 76048), (1940, 72128), (1960, 71392), (2231, 62720), (2240, 62468), (2254, 62080), (2576, 54320), (2716, 51520), (2944, 47530), (3104, 45080), (3136, 44620), (3220, 43456), (3395, 41216), (3680, 38024), (3880, 36064), (3920, 35696), (4462, 31360), (4480, 31234), (4508, 31040), (4753, 29440), (5152, 27160), (5432, 25760), (5635, 24832), (5888, 23765), (6208, 22540), (6272, 22310), (6440, 21728), (6790, 20608), (7360, 19012), (7760, 18032), (7840, 17848), (8924, 15680), (8960, 15617), (9016, 15520), (9506, 14720), (10304, 13580), (10864, 12880), (11155, 12544), (11270, 12416)]